next: include font, configure csp

Signed-off-by: Johan Haals <[email protected]>

next/next-env.d.ts

@@ -1,4 +1,5 @@
 /// <reference types="next" />
+/// <reference types="next/types/global" />
 /// <reference types="next/image-types/global" />
 
 // NOTE: This file should not be edited

next/next.config.js

@@ -1,9 +1,21 @@
 const { i18n } = require('./next-i18next.config');
+const nextSafe = require('next-safe');
+
+const isDev = process.env.NODE_ENV !== 'production';
 
 module.exports = {
   i18n,
   reactStrictMode: true,
   experimental: {
     outputStandalone: true,
   },
+  async headers() {
+    return [
+      {
+        // Apply these headers to all routes in your application.
+        source: '/:path*',
+        headers: nextSafe({ isDev }),
+      },
+    ];
+  },
 };